NumberResearchThousands-blocks in 715-309
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 715-309 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 715 blocks
Most active assignees, all time — NPA 715
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-04-09 | 715-309-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | MENOMONIE | WI |
| 2008-10-24 | 715-309-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - WI | 007F | MENOMONIE | WI |
| 2005-01-25 | 715-309-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MENOMONIE | WI |
| 2006-05-24 | 715-309-3XXX | 3000–3999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | MENOMONIE | WI |
| 2007-01-22 | 715-309-4XXX | 4000–4999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MENOMONIE | WI |
| 2008-05-08 | 715-309-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | MENOMONIE | WI |
| 2012-01-13 | 715-309-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MENOMONIE | WI |
| — | 715-309-7XXX | 7000–7999 | Available | MENOMONIE | WI | ||
| 2004-02-22 | 715-309-8XXX | 8000–8999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | MENOMONIE | WI |
| — | 715-309-9XXX | 9000–9999 | Reserved | AERIAL COMMUNICATIONS, INC. | 6701 | MENOMONIE | WI |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.